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Full text of "Alaskan glacier studies of the National Geographic Society in the Yakutat Bay, Prince William Sound and lower Copper River regions"

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ALASKAN GLACIER STUDIES
Map 6, as well as two sets of transit readings upon the ice front from stations listed below, which are readily accessible and should be revisited in years to come to determine the behavior of the glacier, whose advance from 1909 and 1910 is shown by Fig. SO, based
FIG. SO.   TBIANGTJLAIION ON FBONT OF COLUMBIA GLACIER SHOWING ADVANCE FBOM 1909 TO 1910.
upon these transit readings. Stations B and C are close to the plane table stations occupied by Gilbert in 1899, and are each within a few feet of photographic stations H and I, see Map 6.